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201012124404021 = 379572005924001
BaseRepresentation
bin101101101101000111001000…
…010001010100100100110101
3222100201120102120021000122020
4231231013020101110210311
5202321340312321412041
61551303410052023353
760224434554643320
oct5555071021244465
9870646376230566
10201012124404021
115905984393a457
121a6655b5901b59
1388214923c8888
14378d0783cd7b7
151838bbee4b866
hexb6d1c8454935

201012124404021 has 8 divisors (see below), whose sum is σ = 306304189568064. Its totient is φ = 114864071088000.

The previous prime is 201012124403971. The next prime is 201012124404059. The reversal of 201012124404021 is 120404421210102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201012124404021 - 213 = 201012124395829 is a prime.

It is a super-2 number, since 2×2010121244040212 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201012124403982 and 201012124404000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012124403021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4786002961980 + ... + 4786002962021.

It is an arithmetic number, because the mean of its divisors is an integer number (38288023696008).

Almost surely, 2201012124404021 is an apocalyptic number.

201012124404021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

201012124404021 is a deficient number, since it is larger than the sum of its proper divisors (105292065164043).

201012124404021 is an equidigital number, since it uses as much as digits as its factorization.

201012124404021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9572005924011.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 201012124404021 its reverse (120404421210102), we get a palindrome (321416545614123).

The spelling of 201012124404021 in words is "two hundred one trillion, twelve billion, one hundred twenty-four million, four hundred four thousand, twenty-one".

Divisors: 1 3 7 21 9572005924001 28716017772003 67004041468007 201012124404021